--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5779283771 dns-udp-queries-received-ipv6: 1682128255 dns-tcp-queries-received-ipv4: 371516751 dns-tcp-queries-received-ipv6: 63233804 dns-udp-responses-sent-ipv4: 5497270416 dns-udp-responses-sent-ipv6: 1680616042 dns-tcp-responses-sent-ipv4: 300364397 dns-tcp-responses-sent-ipv6: 63279622